A scallywop who performs fellatio during the time when her male counterpart is actively participating in the playing of Call of Duty especially Black Ops in either campaign or multiplayer mode. The act of CODsucking is a little known feat accomplished and achieved by only the most skilled of Call of Duty Players, and will almost always resort in an automatic prestige.

Nate: I don't know if I could get any better at Call of Duty

Tori: Wanna bet, I'll show you
Nate: How are you going to show me how to be better at Call of Duty
Derek: Dude she is CODsucker. She'll give you a blowjob while you play. Instant prestige bro!